Sorry the Boiler is a BAXI WL170 and as it happens I have checked with a neighbour who's system is the same ie pump and burner stop together, his room stat is fully functional you guys were all correct in the way it operates so I'm going to copy his connections and hope it all works out Thanks...
Hi out there, I'm new to this forum application and not sure how it will work but here goes. My central heating is a normal 1980's open vented setup with a wall hung boiler in the kitchen, 7 day programmer with separate HW and CH on/off controls below it, a hot water tank , three port valve and...